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771.0 Aluminum vs. AISI 310H Stainless Steel

771.0 aluminum belongs to the aluminum alloys classification, while AISI 310H stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 771.0 aluminum and the bottom bar is AISI 310H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85 to 120
190
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 1.7 to 6.5
40
Fatigue Strength, MPa 92 to 180
200
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 250 to 370
580
Tensile Strength: Yield (Proof), MPa 210 to 350
230

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 630
1410
Melting Onset (Solidus), °C 620
1360
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 140 to 150
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 82
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
4.3
Embodied Energy, MJ/kg 150
61
Embodied Water, L/kg 1130
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
190
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 23 to 35
21
Strength to Weight: Bending, points 29 to 39
20
Thermal Diffusivity, mm2/s 54 to 58
3.9
Thermal Shock Resistance, points 11 to 16
13

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0.060 to 0.2
24 to 26
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.15
49.1 to 57
Magnesium (Mg), % 0.8 to 1.0
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.15
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.5 to 7.5
0
Residuals, % 0 to 0.15
0